$(document).ready(function(){
  $(&quot;#hidding1&quot;).click(function(){
    $(&quot;#croscoll ul&quot;).toggleClass(&quot;displaying&quot;);
  });
  $(&quot;#hidding2&quot;).click(function(){
    $(&quot;#napigate ul&quot;).toggleClass(&quot;displaying&quot;);
  });
});